Cognomen Yairo (Yairo 
) , in all the world, is a rare surname. The family name Yairo is characteristic of Nicaragua, where it is quite a rare surname, Tanzania, where it is a rare surname, and Uruguay. Measured by absolute frequency, it is commonest in Tanzania, Nicaragua, and Mexico. Likewise, Yairo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yairo | Mexico, Brazil, Dominican Republic, Tanzania, Nicaragua |